Enlarge (credit: Jaap Arriens/NurPhoto via Getty Images) In the wake of the 2013 Snowden revelations, a lot of reporters, including here at Ars, began to take a long look at the digital tools we were using for secure communications. After all, the National Security Agency whistleblower famously tried to reach journalist Glenn Greenwald through encrypted email, but Greenwald couldn’t be bothered to set it up.